351
FNCA52 TJSJ 190754
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
354 AM AST SUN MAY 19 2019
DISCUSSION
ALTHOUGH RELATIVE HUMIDITIES ARE FORECAST TO REACH
THE MID 40% TODAY ACROSS PORTIONS OF THE SOUTH COAST OF PUERTO
RICO...A MOIST SOUTHEASTERLY WIND FLOW WILL BRING SHOWERS LATER
THIS MORNING ACROSS THE SOUTHEASTERN SECTIONS OF THE ISLAND. THEN
IN THE AFTERNOON, DIURNALLY INDUCED SHOWERS AND THUNDERSTORMS ARE
EXPECTED TO DEVELOP OVER THE INTERIOR AND NORTHWEST SECTIONS OF
THE ISLAND. WINDS ARE FORECAST TO REMAIN AT 15 MPH OR LESS.
THEREFORE, A LOW FIRE WEATHER DANGER IS EXPECTED TODAY.
PRZ014-200800-
SOUTHEAST COASTAL PLAINS-
354 AM AST SUN MAY 19 2019
TODAY TONIGHT MON
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 30 30
TEMP (24H TREND) 93 (+3) 72 (0) 91
RH % (24H TREND) 43 (-6) 91 (0) 50
20FTWND-VAL/AM(MPH) E 10 E 9
20FTWND-RDG/PM(MPH) SE 11 E 6 SE 12
MIXING HGT(FT-AGL/MSL)5939 5118
TRANSPORT WND (MPH) SE 13 SE 14
VENT RATE (KT-FT) 64731 61496
DISPERSION 5 5
DSI 6 3 6
LAL 1 1 2
HAINES INDEX 3 3 3
REMARKS...NONE.
PRZ015-200800-
SOUTHERN HILLS-
354 AM AST SUN MAY 19 2019
TODAY TONIGHT MON
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 20 30 40
TEMP (24H TREND) 88 (+3) 69 (-2) 88
RH % (24H TREND) 49 (-3) 95 (+3) 55
20FTWND-VAL/AM(MPH) E 10 SE 9
20FTWND-RDG/PM(MPH) SE 10 E 6 SE 11
MIXING HGT(FT-AGL/MSL)5991 5239
TRANSPORT WND (MPH) SE 12 SE 13
VENT RATE (KT-FT) 61112 59205
DISPERSION 5 5
DSI 6 3 6
LAL 2 1 2
HAINES INDEX 3 3 3
REMARKS...NONE.
PRZ016-200800-
NORTH COASTAL PLAINS-
354 AM AST SUN MAY 19 2019
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 40 30 50
TEMP (24H TREND) 92 (+3) 74 (-1) 90
RH % (24H TREND) 49 (-5) 88 (0) 56
20FTWND-VAL/AM(MPH) E 9 E 7
20FTWND-RDG/PM(MPH) E 10 SE 6 E 9
MIXING HGT(FT-AGL/MSL)5535 4784
TRANSPORT WND (MPH) E 10 SE 10
VENT RATE (KT-FT) 58891 54304
DISPERSION 5 5
DSI 6 4 6
LAL 2 1 2
HAINES INDEX 3 3 3
REMARKS...NONE.
PRZ017-200800-
NORTHERN HILLS-
354 AM AST SUN MAY 19 2019
TODAY TONIGHT MON
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 70 20 60
TEMP (24H TREND) 88 (+1) 71 (-1) 88
RH % (24H TREND) 52 (-2) 94 (+1) 59
20FTWND-VAL/AM(MPH) E 8 E 6
20FTWND-RDG/PM(MPH) NE 6 LGT/VAR E 6
MIXING HGT(FT-AGL/MSL)5495 4615
TRANSPORT WND (MPH) SE 9 SE 8
VENT RATE (KT-FT) 56865 50382
DISPERSION 5 5
DSI 6 2 6
LAL 2 1 2
HAINES INDEX 3 3 3
REMARKS...NONE.
PRZ018-200800-
WEST COAST-
354 AM AST SUN MAY 19 2019
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 20 20 50
TEMP (24H TREND) 90 (+2) 73 (-1) 89
RH % (24H TREND) 49 (-5) 88 (0) 55
20FTWND-VAL/AM(MPH) SE 9 E 7
20FTWND-RDG/PM(MPH) E 9 LGT/VAR E 10
MIXING HGT(FT-AGL/MSL)6091 5379
TRANSPORT WND (MPH) SE 9 SE 10
VENT RATE (KT-FT) 62267 60776
DISPERSION 5 5
DSI 6 3 6
LAL 2 1 2
HAINES INDEX 3 3 3
REMARKS...NONE.
PRZ019-200800-
EASTERN INTERIOR-
354 AM AST SUN MAY 19 2019
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 30 40 30
TEMP (24H TREND) 90 (+3) 71 (-2) 88
RH % (24H TREND) 49 (-4) 94 (+3) 57
20FTWND-VAL/AM(MPH) SE 9 SE 9
20FTWND-RDG/PM(MPH) SE 10 SE 5 SE 11
MIXING HGT(FT-AGL/MSL)5536 4569
TRANSPORT WND (MPH) SE 13 SE 14
VENT RATE (KT-FT) 57703 57720
DISPERSION 5 5
DSI 6 3 6
LAL 2 1 2
HAINES INDEX 3 3 3
REMARKS...NONE.
PRZ022-200800-
LUQUILLO MOUNTAIN RANGE-
354 AM AST SUN MAY 19 2019
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 40 30
TEMP (24H TREND) 85 (+3) 68 (-4) 84
RH % (24H TREND) 59 (-2) 95 (+5) 65
20FTWND-VAL/AM(MPH) SE 9 SE 10
20FTWND-RDG/PM(MPH) SE 10 E 6 SE 11
MIXING HGT(FT-AGL/MSL)4924 4075
TRANSPORT WND (MPH) SE 13 SE 15
VENT RATE (KT-FT) 54714 52868
DISPERSION 5 5
DSI 6 5 6
LAL 1 1 1
HAINES INDEX 3 3 3
REMARKS...NONE.
PRZ023-200800-
CENTRAL MOUNTAIN RANGE-
354 AM AST SUN MAY 19 2019
TODAY TONIGHT MON
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 40 20 60
TEMP (24H TREND) 87 (+5) 67 (-1) 86
RH % (24H TREND) 54 (+1) 98 (+2) 59
20FTWND-VAL/AM(MPH) SE 9 SE 8
20FTWND-RDG/PM(MPH) SE 8 LGT/VAR SE 9
MIXING HGT(FT-AGL/MSL)5936 4979
TRANSPORT WND (MPH) SE 10 SE 10
VENT RATE (KT-FT) 60707 50907
DISPERSION 5 5
DSI 5 2 5
LAL 2 1 2
HAINES INDEX 3 3 3
REMARKS...NONE.
PRZ024-200800-
CAYEY MOUNTAIN RANGE-
354 AM AST SUN MAY 19 2019
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 40 30
TEMP (24H TREND) 86 (+3) 69 (-3) 84
RH % (24H TREND) 53 (-1) 96 (+5) 60
20FTWND-VAL/AM(MPH) E 9 SE 10
20FTWND-RDG/PM(MPH) SE 10 SE 5 SE 11
MIXING HGT(FT-AGL/MSL)5360 4399
TRANSPORT WND (MPH) SE 13 SE 15
VENT RATE (KT-FT) 57337 56360
DISPERSION 5 5
DSI 6 3 6
LAL 1 1 1
HAINES INDEX 3 3 3
REMARKS...NONE.
PRZ025-200800-
VIEQUES-
354 AM AST SUN MAY 19 2019
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 30 30
TEMP (24H TREND) 86 (+1) 77 (-2) 84
RH % (24H TREND) 63 (-3) 86 (+4) 66
20FTWND-VAL/AM(MPH) E 11 SE 13
20FTWND-RDG/PM(MPH) SE 11 E 11 SE 11
MIXING HGT(FT-AGL/MSL)3130 2724
TRANSPORT WND (MPH) E 15 SE 16
VENT RATE (KT-FT) 39920 37661
DISPERSION 5 5
DSI 6 6 6
LAL 1 1 1
HAINES INDEX 3 3 3
REMARKS...NONE.
PRZ026-200800-
CULEBRA-
354 AM AST SUN MAY 19 2019
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 30 30
TEMP (24H TREND) 86 (+1) 77 (-2) 86
RH % (24H TREND) 63 (-5) 86 (+4) 65
20FTWND-VAL/AM(MPH) E 13 SE 14
20FTWND-RDG/PM(MPH) E 12 E 11 E 13
MIXING HGT(FT-AGL/MSL)2666 2577
TRANSPORT WND (MPH) SE 16 SE 16
VENT RATE (KT-FT) 38122 35686
DISPERSION 5 5
DSI 6 6 6
LAL 1 1 1
HAINES INDEX 3 3 3
REMARKS...NONE.
PRZ027-200800-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
354 AM AST SUN MAY 19 2019
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 10 20 30
TEMP (24H TREND) 92 (+2) 73 (-1) 90
RH % (24H TREND) 43 (-8) 91 (+3) 49
20FTWND-VAL/AM(MPH) E 12 E 11
20FTWND-RDG/PM(MPH) SE 12 E 7 SE 13
MIXING HGT(FT-AGL/MSL)6132 5496
TRANSPORT WND (MPH) SE 13 SE 14
VENT RATE (KT-FT) 68245 67755
DISPERSION 5 5
DSI 6 4 6
LAL 1 1 2
HAINES INDEX 3 3 3
REMARKS...NONE.
VIZ001-200800-
SAINT THOMAS AND SAINT JOHN-
354 AM AST SUN MAY 19 2019
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 30 30
TEMP (24H TREND) 86 (0) 74 (-2) 86
RH % (24H TREND) 61 (-2) 90 (+6) 60
20FTWND-VAL/AM(MPH) E 12 SE 13
20FTWND-RDG/PM(MPH) SE 12 E 11 SE 12
MIXING HGT(FT-AGL/MSL)2690 2749
TRANSPORT WND (MPH) SE 17 SE 16
VENT RATE (KT-FT) 41654 38486
DISPERSION 5 5
DSI 6 6 6
LAL 1 1 1
HAINES INDEX 3 3 3
REMARKS...NONE.
VIZ002-200800-
ST CROIX-
354 AM AST SUN MAY 19 2019
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 30 30
TEMP (24H TREND) 86 (-1) 74 (0) 87
RH % (24H TREND) 63 (0) 92 (+1) 59
20FTWND-VAL/AM(MPH) E 11 E 12
20FTWND-RDG/PM(MPH) SE 11 E 11 SE 11
MIXING HGT(FT-AGL/MSL)2597 2803
TRANSPORT WND (MPH) E 18 SE 16
VENT RATE (KT-FT) 40590 40220
DISPERSION 5 5
DSI 6 6 6
LAL 1 1 1
HAINES INDEX 3 3 3
REMARKS...NONE.
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